*/
os_context_t *context;
-#if __DARWIN_UNIX03
+#if MAC_OS_X_VERSION_10_5
struct __darwin_mcontext32 *regs;
#else
struct mcontext *regs;
#endif
context = (os_context_t*) os_validate(0, sizeof(os_context_t));
-#if __DARWIN_UNIX03
+#if MAC_OS_X_VERSION_10_5
regs = (struct __darwin_mcontext32*) os_validate(0, sizeof(struct __darwin_mcontext32));
#else
regs = (struct mcontext*) os_validate(0, sizeof(struct mcontext));
update_thread_state_from_context(thread_state, float_state, context);
os_invalidate((os_vm_address_t)context, sizeof(os_context_t));
-#if __DARWIN_UNIX03
+#if MAC_OS_X_VERSION_10_5
os_invalidate((os_vm_address_t)regs, sizeof(struct __darwin_mcontext32));
#else
os_invalidate((os_vm_address_t)regs, sizeof(struct mcontext));